public class Main {
    public static void main(String[] args) {
        System.out.println(new Solution().maxProfit(new int[]{1, 3, 2, 8, 4, 9}, 2));
        System.out.println(new Solution().maxProfit(new int[]{1,3,7,5,10,3}, 3));
    }
}

class Solution {
    public int maxProfit(int[] prices, int fee) {
        int[][] dp = new int[prices.length][2];
        dp[0][0] = -prices[0];
        for (int i = 1; i < prices.length; i++) {
            dp[i][0] = Math.max(dp[i - 1][1] - prices[i], dp[i - 1][0]);
            dp[i][1] = Math.max(dp[i][0] + prices[i] - fee, dp[i - 1][1]);
        }
        return dp[prices.length - 1][1];
    }
}
